Jane Street’s iTeos Therapeutics ITOS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
Sell
-22,999
Closed -$229K 11269
2025
Q2
$229K Buy
22,999
+1,561
+7% +$12.6K ﹤0.01% 8329
2025
Q1
$128K Sell
21,438
-113,593
-84% -$834K ﹤0.01% 8693
2024
Q4
$1.04M Buy
135,031
+116,184
+616% +$998K ﹤0.01% 5315
2024
Q3
$192K Sell
18,847
-141,008
-88% -$2.15M ﹤0.01% 8669
2024
Q2
$2.37M Buy
+159,855
New +$2.29M ﹤0.01% 4202
2024
Q1
Sell
-23,933
Closed -$262K 9633
2023
Q4
$262K Buy
23,933
+12,990
+119% +$129K ﹤0.01% 7823
2023
Q3
$120K Sell
10,943
-50,192
-82% -$642K ﹤0.01% 7878
2023
Q2
$809K Buy
+61,135
New +$872K ﹤0.01% 5556
2023
Q1
Sell
-13,733
Closed -$268K 9453
2022
Q4
$268K Sell
13,733
-1,554
-10% -$30.4K ﹤0.01% 7209
2022
Q3
$291K Buy
15,287
+2,884
+23% +$66.4K ﹤0.01% 7643
2022
Q2
$256K Buy
12,403
+3,519
+40% +$83.5K ﹤0.01% 7843
2022
Q1
$286K Sell
8,884
-5,969
-40% -$217K ﹤0.01% 8467
2021
Q4
$692K Buy
+14,853
New +$494K ﹤0.01% 6658
2021
Q2
Sell
-11,148
Closed -$381K 10084
2021
Q1
$381K Buy
+11,148
New +$403K ﹤0.01% 7304

Other funds holding ITOS

Jane Street's ITOS Position: Q3 2025 in Review

Jane Street sold out of iTeos Therapeutics (ITOS) in Q3 2025, closing a stake of 22,999 shares — an estimated $229K sold.

Jane Street first reported a position in ITOS in Q1 2021 and held it in 14 quarters. The position peaked at $2.37M in Q2 2024. 1 fund tracked by Wall St. Rank holds ITOS as of Q3 2025.

  • Jane Street reported no remaining iTeos Therapeutics position as of Q3 2025 after selling out during the quarter.
  • Jane Street sold 22,999 iTeos Therapeutics shares in Q3 2025, an estimated $229K.
  • Jane Street first reported a position in iTeos Therapeutics in Q1 2021 and held it in 14 quarters.
  • Jane Street's iTeos Therapeutics position peaked at $2.37M in Q2 2024.
  • 1 fund tracked by Wall St. Rank held iTeos Therapeutics as of Q3 2025.

Based on Jane Street's 13F filing for Q3 2025, filed 14 Nov 2025.